Skirt



FIG. 1 is a front view of a skirt showing my new design;

FIG. 2 is a back view thereof;

FIG. 3 is a right view thereof;

FIG. 4 is a left view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The broken lines depict portions of the skirt that form no part of the claimed design. 

CLAIM I claim the ornamental design for a skirt, as shown and described. 